import { login, getInfo, logout, wxLogin } from '@/api/login';
import { getToken, setToken, removeToken, setUserId } from '@/utils/auth';

const user = {
  state: {
    token: getToken(),
    user: {},
    roles: [],
    // 第一次加载菜单时用到
    loadMenus: false,
    // 布局是否可编辑
    editLayout: false,
    menu: 0,
    menuId: 0,
    menuIds: null
  },

  mutations: {
    SET_TOKEN: (state, token) => {
      state.token = token;
    },
    SET_USER: (state, user) => {
      state.user = user;
    },
    SET_ROLES: (state, roles) => {
      state.roles = roles;
    },
    SET_MENU: (state, menu) => {
      state.menu = menu;
    },
    SET_MENU_ID: (state, menuId) => {
      state.menuId = menuId;
    },
    SET_LOAD_MENUS: (state, loadMenus) => {
      state.loadMenus = loadMenus;
    },
    SET_EDIT_LAYOUT: (state, isEdit) => {
      state.editLayout = isEdit;
    },
    SET_MENU_IDS: (state, ids) => {
      state.menuIds = ids;
    }
  },

  actions: {
    SetLayout({ commit }, isEdit) {
      commit('SET_EDIT_LAYOUT', isEdit);
    },

    // 登录
    Login({ commit }, userInfo) {
      const rememberMe = userInfo.rememberMe;
      return new Promise((resolve, reject) => {
        login(userInfo).then(res => {
          setToken(res.token, rememberMe);
          commit('SET_TOKEN', res.token);
          setUserInfo(res.user, commit);
          // 第一次加载菜单时用到， 具体见 src 目录下的 permission.js
          commit('SET_LOAD_MENUS', true);
          resolve();
        }).catch(error => {
          reject(error);
        });
      });
    },

    // 获取用户信息
    GetInfo({ commit }) {
      return new Promise((resolve, reject) => {
        getInfo().then(res => {
          setUserInfo(res, commit);
          resolve(res);
        }).catch(error => {
          reject(error);
        });
      });
    },
    // 登出
    LogOut({ commit }) {
      return new Promise((resolve, reject) => {
        logout().then(res => {
          logOut(commit);
          resolve({ data: res });
        }).catch(error => {
          logOut(commit);
          reject(error);
        });
      });
    },
    openIdLogin({ commit }, resource) {
      return new Promise((resolve, reject) => {
        if (undefined === resource) {
          reject();
        } else {
          setToken(resource.token, true);
          setUserId(resource.user.user.username);
          commit('SET_TOKEN', resource.token);
          setUserInfo(resource.user, commit);
          // 第一次加载菜单时用到， 具体见 src 目录下的 permission.js
          commit('SET_LOAD_MENUS', true);
          resolve();
        }
      });
    },
    // 登录
    LoginWx({ commit }, userInfo) {
      const rememberMe = userInfo.rememberMe;
      return new Promise((resolve, reject) => {
        wxLogin(userInfo).then(res => {
          setToken(res.token, rememberMe);
          setUserId(userInfo.username);
          commit('SET_TOKEN', res.token);
          setUserInfo(res.user, commit);
          // 第一次加载菜单时用到， 具体见 src 目录下的 permission.js
          commit('SET_LOAD_MENUS', true);
          resolve();
        }).catch(error => {
          reject(error);
        });
      });
    },
    updateLoadMenus({ commit }) {
      return new Promise((resolve, reject) => {
        commit('SET_LOAD_MENUS', false);
      });
    }
  }
};

export const logOut = (commit) => {
  commit('SET_TOKEN', '');
  commit('SET_ROLES', []);
  removeToken();
};

export const setUserInfo = (res, commit) => {
  // 如果没有任何权限，则赋予一个默认的权限，避免请求死循环
  if (res.roles.length === 0) {
    commit('SET_ROLES', ['ROLE_SYSTEM_DEFAULT']);
  } else {
    commit('SET_ROLES', res.roles);
  }
  commit('SET_USER', res.user);
};

export default user;
